name: Docker (server)

on:
    push:
        tags:
            - 'v*'
    workflow_dispatch:

concurrency:
    group: docker-server-${{ github.ref }}
    cancel-in-progress: true

permissions:
    contents: read
    packages: write

jobs:
    build:
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4

            - uses: docker/setup-qemu-action@v3
            - uses: docker/setup-buildx-action@v3

            - name: Log in to GHCR
              if: github.event_name != 'pull_request'
              uses: docker/login-action@v3
              with:
                  registry: ghcr.io
                  username: ${{ github.actor }}
                  password: ${{ secrets.GITHUB_TOKEN }}

            - name: Docker metadata
              id: meta
              uses: docker/metadata-action@v5
              with:
                  images: ghcr.io/${{ github.repository }}-server
                  tags: |
                      type=ref,event=branch
                      type=ref,event=tag
                      type=sha

            - name: Build and (optionally) push
              uses: docker/build-push-action@v6
              with:
                  context: .
                  file: server/Dockerfile
                  platforms: linux/amd64,linux/arm64
                  push: ${{ github.event_name != 'pull_request' }}
                  tags: ${{ steps.meta.outputs.tags }}
                  labels: ${{ steps.meta.outputs.labels }}
                  cache-from: type=gha
                  cache-to: type=gha,mode=max